Indicates if the bundle article can be partially returned. For example, `allow_partial_return` can be set to true.

Indicates if the bundle article is returnable. For example, `returnable` can be set to true.

Bundle article return window unit type e.g (days, weeks). For example, `unit` can be set to 'value'.

Bundle article return unit value. For example, `time` can be set to 3.